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<div class="title">src/contextFree/scanner/Automa.java</div>  </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a><a class="code" href="namespacecontext_free_1_1scanner.html">00001</a> <span class="keyword">package </span>contextFree.scanner;
<a name="l00002"></a>00002 
<a name="l00003"></a>00003 <span class="keyword">import</span> java.util.LinkedList;
<a name="l00004"></a>00004 <span class="keyword">import</span> java.util.List;
<a name="l00005"></a>00005 
<a name="l00006"></a><a class="code" href="classcontext_free_1_1scanner_1_1_automa.html">00006</a> <span class="keyword">public</span> <span class="keyword">class </span><a class="code" href="classcontext_free_1_1scanner_1_1_automa.html">Automa</a> {
<a name="l00007"></a>00007         <span class="keyword">private</span> List&lt;State&gt; states;
<a name="l00008"></a>00008 
<a name="l00009"></a>00009         <span class="keyword">public</span> <a class="code" href="classcontext_free_1_1scanner_1_1_automa.html">Automa</a>(){
<a name="l00010"></a>00010                 states = <span class="keyword">new</span> LinkedList&lt;State&gt;();
<a name="l00011"></a>00011         }
<a name="l00012"></a>00012         
<a name="l00013"></a>00013         <span class="keyword">public</span> <a class="code" href="classcontext_free_1_1scanner_1_1_automa.html">Automa</a>(List&lt;State&gt; states){
<a name="l00014"></a>00014                 this.states= states;
<a name="l00015"></a>00015         }
<a name="l00016"></a>00016         
<a name="l00017"></a>00017         <span class="keyword">public</span> List&lt;State&gt; getStates() {
<a name="l00018"></a>00018                 <span class="keywordflow">return</span> states;
<a name="l00019"></a>00019         }
<a name="l00020"></a>00020 
<a name="l00021"></a>00021         <span class="keyword">public</span> <span class="keywordtype">void</span> setStates(List&lt;State&gt; states) {
<a name="l00022"></a>00022                 this.states = states;
<a name="l00023"></a>00023         }
<a name="l00024"></a>00024         
<a name="l00028"></a><a class="code" href="classcontext_free_1_1scanner_1_1_automa.html#a7cb3536eab5b56faee50dafd8de978ad">00028</a>         <span class="keyword">public</span> List&lt;State&gt; <a class="code" href="classcontext_free_1_1scanner_1_1_automa.html#a7cb3536eab5b56faee50dafd8de978ad" title="Get kernels element for each states into automa.">newItemsFromKernels</a>(){
<a name="l00029"></a>00029                 List&lt;State&gt; result= <span class="keyword">new</span> LinkedList&lt;State&gt;();
<a name="l00030"></a>00030                 <span class="comment">//per ogni stato nell&#39;automa</span>
<a name="l00031"></a>00031                 <span class="keywordflow">for</span>(<a class="code" href="classcontext_free_1_1scanner_1_1_state.html">State</a> s : states){
<a name="l00032"></a>00032                         result.add(<span class="keyword">new</span> <a class="code" href="classcontext_free_1_1scanner_1_1_state.html">State</a>(s.getIndex(), s.getKernels(),s.getShift()));
<a name="l00033"></a>00033 
<a name="l00034"></a>00034                 }
<a name="l00035"></a>00035                 <span class="keywordflow">return</span> result;
<a name="l00036"></a>00036         }
<a name="l00037"></a>00037 
<a name="l00042"></a><a class="code" href="classcontext_free_1_1scanner_1_1_automa.html#a1c916160a989c51dde68e032de19744f">00042</a>         <span class="keyword">public</span> <a class="code" href="classcontext_free_1_1scanner_1_1_state.html">State</a> <a class="code" href="classcontext_free_1_1scanner_1_1_automa.html#a1c916160a989c51dde68e032de19744f" title="Return a state with a specific state index.">getState</a>(<span class="keywordtype">int</span> i){
<a name="l00043"></a>00043                 <span class="keywordflow">for</span>(<a class="code" href="classcontext_free_1_1scanner_1_1_state.html">State</a> s : states){
<a name="l00044"></a>00044                         <span class="keywordflow">if</span>(s.getIndex()==i) <span class="keywordflow">return</span> s;
<a name="l00045"></a>00045                 }
<a name="l00046"></a>00046                 <span class="keywordflow">return</span> null;
<a name="l00047"></a>00047         }
<a name="l00048"></a>00048         
<a name="l00049"></a>00049         @Override
<a name="l00050"></a>00050         <span class="keyword">public</span> String toString(){
<a name="l00051"></a>00051                 String result = <span class="stringliteral">&quot;&quot;</span>;
<a name="l00052"></a>00052                 <span class="keywordflow">for</span>(<a class="code" href="classcontext_free_1_1scanner_1_1_state.html">State</a> s : this.states) result+=s.toString();
<a name="l00053"></a>00053                 <span class="keywordflow">return</span> result;
<a name="l00054"></a>00054         }
<a name="l00055"></a>00055 
<a name="l00060"></a><a class="code" href="classcontext_free_1_1scanner_1_1_automa.html#aae82c530ffa9a9ea010de9eb9f77707d">00060</a>         <span class="keyword">public</span> <span class="keywordtype">void</span> <a class="code" href="classcontext_free_1_1scanner_1_1_automa.html#aae82c530ffa9a9ea010de9eb9f77707d" title="remove dollar simbol lookahed">removeDollarLookahed</a>() {
<a name="l00061"></a>00061                 <span class="keywordflow">for</span>(<a class="code" href="classcontext_free_1_1scanner_1_1_state.html">State</a> s : states){
<a name="l00062"></a>00062                         <span class="keywordflow">if</span>(s.getIndex()!=0)
<a name="l00063"></a>00063                                 <span class="keywordflow">for</span>(<a class="code" href="classcontext_free_1_1scanner_1_1_indexed_production.html">IndexedProduction</a> p : s.getItems()){
<a name="l00064"></a>00064                                         p.getLookahead().remove(<span class="stringliteral">&quot;$&quot;</span>);
<a name="l00065"></a>00065                                 }
<a name="l00066"></a>00066                 }
<a name="l00067"></a>00067         }
<a name="l00068"></a>00068         
<a name="l00069"></a>00069         <span class="keyword">public</span> <span class="keywordtype">int</span> size(){
<a name="l00070"></a>00070                 <span class="keywordflow">return</span> this.states.size();
<a name="l00071"></a>00071         }
<a name="l00072"></a>00072 }
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